/* sub visual */
.sub_visual_wrap{position: relative;}
.sub_visual_box { width: 100%; height: 610px; overflow: hidden; position: relative; } 
.sub_page_visual { background-repeat: no-repeat; background-position: center; background-size: cover; animation: bg-active 5s; height: 100%; overflow: hidden; } 

/* sub visual + pc_top_menu */
.sub_visual_box .visual_menu_wrap { padding-top: 60px; position: relative; z-index: 1111; } 
.depth_wrap { display: flex; flex-direction: row; flex-wrap: nowrap; width: 100%;margin: 0 auto; height: 100%; justify-content: space-between;} 
.depth_wrap .depth_name { display: flex; justify-content: space-between; min-width:87px; font-size: 16px; align-items: center; height: 100%; word-break: keep-all; color: #fff}  
.depth_wrap > div.home_btn {width: 55px; height: 55px; background-color: var(--main-color);border-radius: 50%;   border-bottom: none;} 
.depth_wrap > div.home_btn a{display: flex; align-items: center; justify-content: center; width: 100%; height: 100%;}
.depth_wrap > div.home_btn a span{font-size: 16px; }
.depth_wrap > div {  position: relative; cursor: pointer; width: 220px; border-bottom: 1px solid #fff;} 





.depth_wrap > div.depth3 {/* display: none; *//* width: auto; */width: 100%;max-width: 250px; width: 250px;}  
.depth_wrap > div.depth3.show { display:block; } 
.depth_wrap > div
.depth_wrap > div:last-child { border-right: unset; } 
.depth_wrap > div .depth_name i {line-height: 50px; font-size: 20px;} 
.visual_menu_wrap { width: 570px;  position: absolute; right: 210px; bottom: 100px; z-index: 99; display: flex; align-items: center; } 
.visual_menu_wrap.fixed{position: fixed; top: 81px;}
.visual_menu_wrap .com_depth { position: absolute; background: #f6f6f6; padding: 10px; width: 97%; left: 50%; transform: translateX(-50%); top: 55px; z-index: 10; } 
.visual_menu_wrap .com_depth li:hover a{color: var(--main-color); font-weight: 600;}
.visual_menu_wrap .com_depth li.on a{color: var(--main-color);}
.visual_menu_wrap .com_depth li a.on{color: var(--main-color); }
.visual_menu_wrap .com_depth li a {padding: 15px 0; font-size: 16px; display: block; width: 100%; height: 100%; color: #444; } 
.visual_menu_wrap .com_depth li.on a{text-decoration: underline; text-underline-offset: 5px;}
.visual_menu_wrap .com_depth.sub_depth2{background-color:var(--main-color) ;}
.visual_menu_wrap .com_depth.sub_depth2 li a{color: #fff;}


.sub_page_visual1 { background-image: url(../../img/sub_visual_1.jpg); } 
.sub_page_visual2 { background-image: url(../../img/sub_visual_2.jpg); } 
.sub_page_visual3 { background-image: url(../../img/sub_visual_3.jpg); } 
.sub_page_visual4 { background-image: url(../../img/sub_visual_4.jpg); } 
.sub_page_visual5 { background-image: url(../../img/sub_visual_5.jpg); } 


 /* 애니메이션 */
/* .sub_visual_3 { animation: bg-active 5s; } */
@keyframes bg-active { 
    0% { transform: scale(1.09); opacity: 0.9; } 
   100% { transform: scale(1); opacity: 1; } 
    }
    /* sub_visual */
    .sub_visual_txt { position: absolute; bottom: 100px; left: 220px;  z-index: 10;   width: 90%; max-width: 1490px; } 
    .sub_visual_txt h2 { font-size: 90px;    font-weight: 600; color: #fff;  } 
    .sub_visual_txt h2 em{font-size: 20px; display: block; font-style: normal;margin-bottom: 20px; text-decoration: underline; text-underline-offset : 5px;}
   /* top menu */
   .top_menu .mobile_sub_menu { display: none; } 
   
   /*sub공통*/
   .sub_inner{max-width: 1490px; margin:150px auto 200px ; width: 90%;}
   .sub_tit{font-size: 60px; text-align: center; color: #111;  font-weight: 600; margin-bottom: 80px;}



   /*회사소개*/
.introduction{margin-top: 170px;}
.intro_wrap{margin-bottom: 150px;}
.intro_right{padding-left:215px; text-align: right;}
.intro_right img{border-radius: 30px 0 0 30px;}
.introduction1{display: flex; justify-content: space-between; margin-top: 80px; text-align: left; width: 90%;}
.introduction1 li{}
.introduction1 li:nth-child(1){width: 30%;}
.introduction1 li:nth-child(2){width: 66%;}
.introduction1 li h2{font-size: 48px;font-weight: 500; }
.introduction1 li h2 span{font-weight: 600;color: var(--main-color); }
.introduction1 li h2 b{font-weight: 600;color: #009dbb; }
.introduction1 li div{margin-bottom: 30px; font-size: 20px; line-height: 1.5; color: #111;}
.introduction1 li div span{color: var(--main-color); font-weight: 600;}

.intro2{background: url(../../img/intro2_bg.jpg) no-repeat; width: 100%; height: 100%; background-attachment: fixed; background-size: cover; background-position: center;}
.intro2 .intro2_wrap{max-width: 1490px; margin: 0 auto; width:95%; padding: 220px 0;}
.intro2 .intro2_txt{margin-bottom: 40px; color: #fff; line-height: 1.8; font-size: 20px; width: 52%;}

.intro3{max-width: 1490px; width: 95%; margin: 0 auto 150px;}
.intro3 ul{display:flex; justify-content: space-between;}
.intro3 ul li:nth-child(1){width:30% ;}
.intro3 ul li:nth-child(2){width: 66%;}
.intro3 ul li h2{font-size: 48px; font-weight: 500;}
.intro3 ul li h2 span{font-size: 52px; color: var(--main-color); display: block; font-weight: 600;}
.intro3 ul li iframe{border-radius: 20px;}


.intro4{max-width: 1490px; width: 95%; margin: 0 auto 150px;}
.intro4>h2{font-size: 52px; font-family: "Play", sans-serif; margin-bottom: 100px;}
.intro4_list{ position: relative;}
.intro4_list::before{content: ""; background: url(../../img/intro4_bg_chn.png)no-repeat;width: 400px; height: 400px; position: absolute; top: 50%; left: 50%; transform: translate(-50%, -50%); z-index: 10;}

.intro4_list li{display: flex; justify-content: space-between;}
.intro4_list li.top{transform: translateY(-50px);}
.intro4_list li.bottom{transform: translateY(30px);}
.intro4_list li > div{display: flex; background-color: #fff;box-shadow: rgba(99, 99, 99, 0.2) 0px 2px 8px 0px; border-radius: 100px; padding: 20px 20px 20px 50px; width: 550px; align-items: center;}
.intro4_list li > div:last-child{transform: translateX(-10px);}
.intro4_list li div h3{font-family: "Play", sans-serif; font-size: 36px; color: var(--main-color); opacity: 0.3; margin-right: 50px;}
.intro4_list li div h4{font-family: "Play", sans-serif; font-size: 24px; color: var(--main-color);}
.intro4_list li div h4.font{  font-family: 'Pretendard'; font-size: 20px;}
.intro4_list li div p{font-size: 20px; margin: 10px 0; font-weight: 600;}
.intro4_list li div span{display: block; font-size: 18px; color: #666;}
.intro4_list li div span i{display: block;}

.intro5{margin-top: 250px;}
.intro5 ul{display: flex; flex-wrap: wrap; max-width: 1490px; width: 95%; margin: 0 auto 150px;}
.intro5 ul li{width: calc(100% / 3 - 20px); margin: 0 10px;}
.intro5 ul li img{display:block; width: 100%; border-radius: 20px;}
.intro5 ul li p{font-size: 24px; text-align: center; margin-top: 30px;} 
.intro5 ul li p i{display: block;}

.intro6{max-width: 1490px; width: 95%; margin: 0 auto 200px; }
.intro6 h2{font-family: "Play", sans-serif; font-size: 52px;} 
.tab_wrap{overflow-x: auto; margin-top: 50px;}
.tab_wrap table{width: 100%; border-collapse: collapse; border-top:2px solid #111; min-width: 500px;}
.tab_wrap table tr th{background-color: #f9f9f9; padding:30px 20px;border-bottom:1px solid #cfcfcf ; font-size: 24px; text-align: center; color: #111;}
.tab_wrap table tr td{ padding:30px 20px;border-bottom:1px solid #cfcfcf ; font-size: 24px; color: #111;}


/*인사말*/
.greeting_list{display: flex; justify-content: space-between; flex-wrap: wrap;}
.greeting_list li{}
.greeting_list li >img{width: 100%;}
.greeting_list li:nth-child(1){width: 43%;}
.greeting_list li:nth-child(2){width: 52%; padding-top: 80px;}
.greeting_list li div{margin-bottom: 40px;font-size: 20px;line-height: 1.5; color: #111;}
.greeting_list li div.greet_sign{text-align: right;}
.greeting_list li div.greet_sign img{}
.greeting_list li div.greet_sign span{vertical-align: bottom; margin-right: 10px;}


/*연혁*/
.history_area .text { display: flex; padding: 55px 0 40px; border-top: 1px solid #c4c4c4; } 
.history_area .text h4 { font-size: 30px; width: 45%; } 
.history_area .text h4 em { color: #009eb8; } 
.history_area .text h4 b { font-size: 75px; padding: 10px 0 50px 15px; display: block; color: #009eb8} 
.history_area .text h4 img { border-radius: 20px; box-shadow: 0px 0px 20px #9b9b9b; margin-left: 20px; } 

.history_area .text.s_event:before { content:""; display: block; position: absolute; top: 0; left: 0; height: 3px; background: var(--main-color); } 
.history_area .text.s_event.move {opacity: 1; transform: translateY(0%); transition: 1s;}
.history_area .text.s_event.move:before { animation:bar 2s ease-in forwards Alternate; } 
 @keyframes bar { 
 0% { width: 0%; } 
 100% { width: 100%; } 
 }
.history_area .text div { width: 55%; font-size: 18px; margin-top: 30px; } 
.history_area .text div dl { display: flex; margin-bottom: 45px; } 
.history_area .text div dl dt { width: 25%; font-size: 24px; font-weight: 700;} 
.history_area .text div dl dd { line-height: 1.8; } 
.history_area .text div dl dd p { position: relative; padding-left: 10px; margin-bottom: 10px; } 
.history_area .text div dl dd p.b_black.s_event.move { font-weight: 800; } 
.history_area .text div dl dd p.b_red.s_event.move { font-weight: 800; color: red; } 
.history_area .text div dl dd p:before { content:""; display: block; position: absolute; top: 14px; left: 0; width: 4px; height: 4px; background: #7e7e7e; border-radius: 50px; } 
.history_area .text div dl dd p span { margin-right: 15px; }
.history_area .text div dl dd p i{display: block;}


/*오시는길*/
.company_info{margin: 50px 0;}
.company_info h2{color: var(--main-color); font-size: 50px;  border-bottom: 2px solid #000; padding-bottom: 15px; font-family: "Play", sans-serif;}
.company_info .company_info_txt{}
.company_info .company_info_txt li{display: flex;margin: 20px 0; align-items: center;}
.company_info .company_info_txt li i{font-size: 20px;margin-right: 10px; color: var(--main-color);}
.company_info .company_info_txt li p{font-size: 20px; }
.company_info .company_info_txt li p span{font-weight: 600;display: inline-block; width: 100px;}
.company_info .company_info_txt li p em{font-style: normal;}


/*인증서*/
.tab-content{display: none;}
.tab-content.current{display: inherit;}
.certi_wrap { font-size: 17px; } 
.certi_top { margin-bottom: 80px; } 
.certi_top_list { display: flex; flex-direction: row; flex-wrap: nowrap; justify-content: center;   } 
.certi_top_list li { font-size: 18px; width: calc(100% / 4 - 20px); border: 1px solid #dadada; color: #999; text-align: center;  margin: 0 10px; cursor: pointer; transition: all .3s; display: flex; height: 60px; align-items: center; justify-content: center;} 
.certi_top_list li.current { background: var(--main-color); color: #fff; } 
.certi_top_list li:hover{ background-color: var(--main-color); color: #fff;}


.certi_info_wrap.wrap1 { } 
.certi_info_wrap section { margin-bottom: 80px; } 
.certi_info_wrap  section >h2{font-size: 20px;margin-bottom: 30px;position: relative; padding-left: 15px;}
.certi_info_wrap  section  >h2::before{content: ""; width: 5px; height: 5px; background-color:#009eb8; position: absolute; left: 0; top:0;}
.certi_list >ul{display: flex; flex-wrap: wrap;}
.certi_list >ul li{width: calc(100% / 5 - 20px); margin:25px 10px; }
.certi_list >ul li img{border: 1px solid #ddd; width: 100%;}
.certi_list >ul li .certi{margin-top: 10px; text-align: center;}
.certi_list >ul li .certi h3{font-weight: 500;}


/*기술자료_제품개발연혁*/

.history_wrap2 { border-bottom: 1px #ddd solid; position: relative; width: 100%; } 
.history_wrap2::before { content: ""; display: inline-block; width: 1px; height: 100%; border-right: 2px dotted #ddd; position: absolute; left: 50%; top: 0; } 
.history_wrap2::after{content: ""; background: url(../../img/technical1_bg.png) no-repeat;   width: 800px; height: 400px; text-align: center;display: block;position: absolute;left: 50%;bottom: 50%;transform: translate(-50%, -50%);z-index: -1; }
.history_wrap2>ul { margin-bottom: 1rem; padding-top: 5rem; } 
.history_wrap2>ul>li { position: relative; width: 100%; margin-bottom: 50px; } 
.history_wrap2>ul>li.left div { width: 50%; margin-right: auto; padding-right: 6rem; } 
.history_wrap2>ul>li.right div {  margin-left: auto; padding-left: 6rem; width: 50%;} 
.history_wrap2>ul>li div.not_m { /* width: 92%; */padding-left: 0; flex: 1 1 auto; flex-basis: 0; } 
.history_wrap2>ul>li div.not_m span { display: flex; flex-direction: row; flex-wrap: nowrap; } 
.history_wrap2>ul>li.left div.not_m span { justify-content: flex-end; } 
.history_wrap2>ul>li.right div.not_m span { justify-content: flex-start; } 
.history_wrap2>ul>li div.not_m span i { padding-right: 7px; } 
.history_wrap2>ul>li.left div.not_m { padding-right: 0; } 
.history_wrap2>ul>li.left div li { display:flex; justify-content: flex-end; flex-wrap: nowrap; flex-direction: row; } 
#history .history_wrap2>ul>li.left div li a { display:flex; justify-content: flex-end; flex-wrap: wrap; flex-direction: row; } 
#history .history_wrap2>ul>li div li a { transition: all .4s; } 
#history .history_wrap2>ul>li div li a:hover { color:var(--main-color) } 
.history_wrap2>ul>li.left div li .month { order: 2; margin-right: 0; margin-left: 1rem; } 
.history_wrap2>ul>li> div ul>li .his_img{padding-left: 0;}
.history_wrap2>ul>li.left div  .his_img{padding-right: 0;}
/* left before */
.history_wrap2>ul>li::before { display: block; content: ""; width: 6px; height: 6px; border: 7px solid #d4e6ff; position: absolute; top: 4px; left: 50%; transform: translateX(-50%); z-index: 1; background-color: #3F51B5; box-sizing: content-box; border-radius: 50%; } 
.history_wrap2>ul>li::after { display: block; content: ""; width: 39px; height: 2px; position: absolute; top: 13px; transform: translateX(-50%); background: #08539d9e; z-index: -1; } 
.history_wrap2>ul>.left::after { right: 49%; } 
.history_wrap2>ul>.right::after { left: 52%; } 
.history_wrap2>ul>.right { margin-left: auto; } 
.history_wrap2>ul>.left { text-align: right; position: relative; } 
.history_wrap2>ul>.left::before { right: -9px; } 
.history_wrap2>ul>li h4 { font-size: 32px; color: var(--main-color);  padding-bottom: 1rem; font-weight: 600; font-family: "Play", sans-serif;} 
.history_wrap2>ul>li h4 span{font-size: 22px; color: #111; margin-left: 10px;}
.history_wrap2>ul>li> div ul>li { font-size: 18px; position: relative; line-height: 1.9; word-break: keep-all; display: flex; flex-direction: row; flex-wrap: wrap; justify-content: flex-start; align-items: flex-start; } 
.history_wrap2>ul>li>ul>li.emph { font-size: 2.4rem; font-weight: 600; } 
.history_wrap2>ul>li>ul>li.emph::after { top: 18px; } 





/*기술자료_IGB*/
.technical_pc{margin-bottom: 100px;}
.technical_m{display: none; border: 1px solid #c4c4c4; width: 80%; margin: 0 auto 50px; position: relative; cursor: pointer;}
.technical_m .technical_m_tit{display: flex; justify-content: space-between; align-items: center; padding: 20px;}
.technical_m .technical_m_tit span{font-size: 20px; }
.technical_m .technical_m_tit i{font-size: 18px; }
.technical_m ul{display: none; position: absolute;left: 0; background-color: #fff;border: 1px solid #c4c4c4;width: 100%; z-index: 10;}
.technical_m ul li{}
.technical_m ul li a{display: block; width: 100%; height: 100%; padding:10px 20px; font-size: 18px;}
.technical_m ul li.on a{color: var(--main-color);}


.technical_pc ul{display: flex; flex-wrap: wrap;} 
.technical_pc ul li{width: calc(100% / 4 - 10px); margin: 5px; border: 1px solid #dadada;height: 70px; transition: all .3s;}
.technical_pc ul li a{ font-size: 18px; text-align: center; display: block; width: 100%; height: 100%; color: #999; display: flex; align-items: center; justify-content: center;}
.technical_pc ul li.on{background-color: #0061b0; box-shadow: rgba(0, 0, 0, 0.3) 0px 5px 15px;}
.technical_pc ul li.on a{color: #fff;}
.technical_pc ul li:hover{background-color: #0061b0; }
.technical_pc ul li:hover a{color: #fff;}
.technical_wrap{}
.technical_wrap >h3{font-size: 52px; letter-spacing: -5px;}
.technical_wrap >p{font-size: 24px; margin-top: 30px;}
.technical_section{margin: 130px 0; text-align: center;} 
.technical_section>img{}

.technical1{display: flex; justify-content: space-between; align-items: center; width: 85%; margin: 0 auto;}
.technical1 li{position: relative;}
.technical1 li:nth-child(1){width: 30%;}
.technical1 li:nth-child(1)::after{content: "";background-color: #009eb8; width: 100px; height: 1px;position: absolute;right: -60px;top: 50%; transform: translateY(-50%); z-index: -1;}
.technical1 li:nth-child(1) img{width: 100%;}
.technical1 li:nth-child(2){width: 65%; display: flex; height: 240px; flex-direction: column; text-align: left; justify-content: center; padding-left: 70px; }
.technical1 .technical1_txt{border-radius: 110px; box-shadow: rgba(0, 0, 0, 0.1) 0px 4px 12px;}
.technical1 .technical1_txt::after{content: ""; width: 8px; height: 8px; border-radius: 50%; background-color:#009eb8; position: absolute; left: -5px; top: 50%; transform: translateY(-50%);}
.technical1 .technical1_txt h2{font-size: 30px; color: var(--main-color); width: 100%;}
.technical1 .technical1_txt p{font-size: 24px; margin-top: 20px; font-weight: 600; width: 100%;}
.technical1 .technical1_txt span{font-size: 20px;display: block; width: 100%; margin-top: 5px;}
.technical_bor{border-bottom: 1px solid #e0e0e0; padding-bottom: 200px;}
.technical_bor2{border-bottom: 1px solid #e0e0e0; padding-bottom: 80px;}
.technical_section .point{font-size: 26px; position: relative; padding-left: 20px; text-align: left; margin-bottom: 20px;}
.technical_section .point::before{content: ""; width: 10px; height: 10px; background-color:#0061b0; position: absolute; top: 10px; left: 0; border-radius: 50%;}
.technical_imgwrap{margin: 50px 0;}
.technical_imgwrap div{border: 1px solid #dadada; }
.technical_imgwrap div.img_width img{width: 100%;}
.technical_imgwrap div.pad{padding: 50px;}
.technical_imgwrap p{font-size:20px; text-align: center; color: #999; margin-top: 40px;}
.technical_txt_wrap{text-align: left; }
.technical_txt_wrap p{font-size: 20px; line-height: 1.7;}
.technical_txt_wrap p:nth-child(1){margin-bottom: 20px;}
.technical_txt_wrap p i{display: block;}

.technical_table{overflow-x: auto; margin-bottom: 80px;}
.technical_table table{width: 100%; border-collapse: collapse; border-top: 2px solid var(--main-color); min-width: 700px;}
.technical_table table tr th{padding: 20px 10px; text-align: center; font-size: 18px; background-color: #f1ecec; border-right: 1px solid #ccc; font-weight: 500;}
.technical_table table tr th.bold{font-weight: 600;}
.technical_table table tr th:last-child{border-right: 0;}
.technical_table table tr td{padding: 20px 10px; text-align: center; font-size: 16px;  border: 1px solid #ccc;}
.technical_table table tr td.left{text-align: left; border-left: 0; padding-left: 30px;}
.technical_table table tr td:last-child{border-right: 0;}
.technical_table table tr td:first-child{border-left: 0;}
.technical_table table tr td.txt_left{text-align: left; padding-left: 50px; line-height: 1.8;}
.technical_table table tr td span{color: #C40C0C; border: 1px solid #C40C0C; padding: 1px 5px; border-radius: 50%; margin-right: 5px; font-size: 14px;}


/*기술자료_성능검증*/
.technical3{display: flex; flex-wrap: wrap;}
.technical3 li{width:calc(100% / 3 - 20px); margin: 20px 10px; }
.technical3 li div{border: 1px solid #ddd;}
.technical3 li div img{width: 100%;}
.technical3 li p{font-size: 20px;  line-height: 1.5; margin-top: 20px; padding-left: 20px; position: relative;}
.technical3 li p::before{content: ""; width: 7px; height: 7px; background-color: var(--main-color); position: absolute; left: 3px; top:10px; border-radius: 50%;}




  /*******************************반응형*************************************/
  @media (max-width: 1700px) { 
   

  }

  @media (max-width: 1540px) {  
    /*top*/
    .sub_visual_txt{left: 5%;}
    .visual_menu_wrap{right: 100px;}
    /*회사소개*/
    .intro_right{padding-left: 100px;}
    .introduction1{width: 100%;}
    .introduction1 li h2{font-size: 40px;}
    .intro2 .intro2_wrap{width: 90%;}



   /*연혁*/
   .history_area .text h4 {font-size: 26px;}
   .history_area .text h4 b {font-size: 65px;padding-bottom: 30px;}
   .history_area .text div dl dt {font-size: 20px;}
   .history_area .text h4 img  {width: 85%;margin-left: 0;}
   .history_area .text:last-child {padding-bottom: 0;}
   
}

@media (max-width: 1380px) {  
  /*top*/
  .sub_visual_txt h2{font-size: 70px;}
 /*회사소개*/
 .intro4_list::before{width: 300px; height: 300px; background-size: contain;}
 .intro4_list li > div{width: 530px;}
 .intro6 h2{font-size: 42px;}
 .tab_wrap table tr th{font-size: 22px;}

 /*인사말*/
 .greeting_list li:nth-child(1){width: 40%;}
 .greeting_list li:nth-child(2){width: 56%;}

  /*IGB정의*/
  .technical_section>img{width: 100%;}
  .technical_wrap >h3{font-size: 42px;}
  .technical1{width: 90%;}

}
@media (max-width: 1280px) {  

  /*sub_top*/
  .sub_visual_txt h2{font-size: 50px;}
  .sub_tit{font-size: 50px;}

   /*회사소개*/
   .introduction{margin-top: 120px;}
   .intro_right{padding-left: 80px;}
   .introduction1 li h2{font-size: 34px;}
   .intro2{background-position: center;}
   .intro4>h2{font-size: 45px;}
   .intro4_list li > div{width: 480px; padding-left: 30px;}
   .intro4_list li div h3{margin-right: 30px;}

    
}
@media (max-width: 1080px) {  

 /*sub_top*/
 .sub_tit{font-size: 40px;}
 .sub_visual_txt{left: 50%; bottom: inherit; top: 50%; transform: translate(-50%, -50%); text-align: center;}
 .visual_menu_wrap{left: 50%; transform: translateX(-50%);}
 .sub_inner{margin: 100px auto;}

   /*회사소개*/
  .intro_right{padding-left: 30px;}
  .introduction1 li h2{font-size: 30px;}
  .introduction1{width: 99%;}
  .intro2 .intro2_wrap{padding: 150px 0;}
  .intro2 .intro2_txt{width: 80%;}
  .intro4>h2{font-size: 40px;}
  .intro4_list::before{width: 280px; height: 280px; }
  .intro4_list li > div{width: 410px;}
  .intro4_list li div h4{font-size: 22px;}
  .intro4_list li div p{font-size: 18px;}
  .intro4_list li div span{font-size: 16px;}
  .intro4_list li div h3{font-size: 30px;}
  .intro4_list li div h4.font{font-size: 18px;}
  .intro5 ul li p{font-size: 22px;}
  .intro6 h2{font-size: 36px;}
  .tab_wrap{margin-top: 30px;}
  .tab_wrap table tr th{font-size: 20px; padding: 10px 20px;}
  .tab_wrap table tr th{font-size: 20px; padding: 10px 20px;}

  /*인사말*/
  .greeting_list{flex-direction: column;}
  .greeting_list li:nth-child(1){width: 60%; margin: 0 auto;}
  .greeting_list li:nth-child(2){width: 100%; }
   
   /*연혁*/
   .history_area .text h4 img  {width: 100%;}
   .history_area .text {display: block;}
   .history_area .text h4, .history_area .text div {width: 100%;}
   .history_area .text div {margin-top: 40px;} 
   .history_area .text {padding: 40px 0 25px;}
   .history_area .text h4 {font-size: 24px;}
   .history_area .text h4 b {font-size: 54px;padding: 0px 0 20px 15px;}
   .history_area .text div dl {margin-bottom: 30px;}

   /*인증*/
   .certi_list >ul li{width:calc(100% / 4 - 20px) ;}
   .certi_list >ul li .certi h3{font-size: 15px;}

  /*오시는길*/
  .company_info h2{font-size: 36px;}

  /*제품개발연혁*/
  .history_wrap2::after{width: 600px; background-size: contain;}

  /*IGB정의*/
  .technical_pc{display: none;}
  .technical_m{display: block;}
  .technical_wrap >h3{letter-spacing: -2px; font-size: 36px;}
  .technical1 li:nth-child(2){padding-left: 50px;}
  .technical1 .technical1_txt h2{font-size: 24px;}
  .technical1 .technical1_txt p{font-size: 22px;}
  .technical1 .technical1_txt span{font-size: 18px;}
  .technical1 li:nth-child(1)::after{width: 80px; right: -45px;}
  .technical1{width: 95%;}
  .technical3 li p{font-size: 18px;}





}
@media (max-width: 800px) {  

  /*sub_top*/
  .sub_visual_box{height: 500px;}
  .visual_menu_wrap{bottom: 50px;}
  .sub_visual_txt{top: 60%;}
  .sub_visual_txt h2{font-size: 40px;}
  .sub_tit{font-size: 32px; margin-bottom: 50px;}
  .sub_inner{margin: 100px auto;}

 /*회사소개*/
  .intro_right img{height: 400px;}
  .intro_right{padding-left: 0;}
  .introduction1{width: 95%; margin: 80px auto 0; flex-direction: column;}
  .introduction1 li:nth-child(1), .introduction1 li:nth-child(2){width: 100%;}
  .introduction1 li h2{font-size: 26px;}
  .introduction1 li:nth-child(2){margin-top: 30px;}
  .introduction1 li div{font-size: 18px;}
  .intro2 .intro2_txt{width: 100%; font-size: 18px;}
  .intro4>h2{font-size: 32px; text-align: center; margin-bottom: 30px;}
  .intro4_list::before{display: none;}
  .intro4_list li.top{transform: translateY(0);}
  .intro4_list li{flex-direction: column;}
  .intro4_list li > div{width: 90%; margin: 20px auto 0;}
  .intro4_list li > div:last-child{transform: translateX(0);}
  .intro4_list li.bottom{transform: translateY(0);}
  .intro4{margin: 0 auto 80px;}
  .intro5{margin-top: 0;}
  .intro5 ul li p{font-size: 20px;}
  .intro6{margin-bottom: 150px;}
  .intro6 h2{font-size: 32px;}
  .tab_wrap table tr th{font-size: 18px;}
  .tab_wrap table tr td{font-size: 18px;}

  /*인사말*/
  .greeting_list li:nth-child(1){width: 70%;}
  .greeting_list li div{font-size: 18px;}
  .greeting_list li div.greet_sign .greet_logo img{width: 180px;}


   /*연혁*/
   .history_area .text {padding: 20px 0 25px;}
   .history_area .text h4 {font-size: 22px;}
   .history_area .text h4 b {font-size: 48px;}
   .history_area .text div {font-size: 16px;}
   .history_area .text div dl {margin-bottom: 20px;}
   .history_area .text div dl dt {font-size: 18px;}
   .history_area .text div dl dd p:before {top: 11px;}

   /*인증*/
   .certi_list >ul li{width:calc(100% / 3 - 20px) ;}
   .certi_top_list li{width: calc(100% / 4 - 10px); margin: 0 5px;}

   /*오시는길*/
   .company_info h2{font-size: 32px;}
   .company_info .company_info_txt li p{font-size: 18px;}

   /*기술자료_제품개발연혁*/
   .history_wrap2::before { left: 6%; } 
   .history_wrap2>ul>.right::after,
   .history_wrap2>ul>.left::after { left: 8%; width: 30px; } 
   .history_wrap2>ul>li::before { left: 6%; } 
   .history_wrap2>ul>li.right > div { margin: unset; width: 100%; padding-left: 12%; } 
   .history_wrap2>ul>li.left > div { margin: unset; width: 100%; padding-right: 0; padding-left: 12%; } 
   .history_wrap2>ul>.left::after { right: unset; left: 8%; } 
   .history_wrap2>ul>li h4 { text-align: left; font-size: 28px;} 
   .history_wrap2>ul>li h4 span{font-size: 20px;}
   .history_wrap2>ul>li.left div li { } 
   .history_wrap2>ul>li.left div li .month { order: unset; margin-left: 0; margin-right: 1rem; } 
   .history_wrap2>ul>li.left div.not_m span { justify-content: flex-start; text-align: left; } 
   .history_wrap2>ul>.left> div ul>li::after { right: unset; left: -15px; width: 4px; height: 4px; } 
   .history_wrap2>ul>.right> div ul>li::after { right: unset; left: -15px; width: 4px; height: 4px; }
   .history_wrap2::after{width: 500px; }
   .history_wrap2>ul>li.left div li, .history_wrap2>ul>li.right div li{flex-direction: column;}
   .history_wrap2>ul>li.left div li .his_img{order: 2;}
   .history_wrap2>ul>li.right div{width: 100%;}
   .history_wrap2>ul>li.right div li .his_img{padding-left: 0;}

   /*IGB정의*/
   .technical_m{width: 100%;}
   .technical_wrap >h3{font-size: 30px;}
   .technical_section{margin: 80px 0;}
    .technical_bor {padding-bottom: 100px;}
    .technical1{flex-direction: column;}
    .technical1 li:nth-child(1){width: 50%;}
    .technical1 li:nth-child(1)::after{top: inherit; bottom: -50px; width: 1px; height: 80px; right: 50%; transform: translateX(-50%);}
    .technical1 li:nth-child(2){width: 100%; height: 200px; margin-top: 50px;}
    .technical1 .technical1_txt h2{font-size: 22px;}
    .technical1 .technical1_txt p{font-size: 20px;}
    .technical1 .technical1_txt::after{top: 0; left: 49.2%;}
    .technical1 .technical1_txt span{margin-top: 10px;}

    .technical_wrap >p{font-size: 22px;}
    .technical_section .point{font-size: 24px;}
    .technical_section .point::before{width: 8px; height: 8px;}
    .technical_imgwrap div img{width: 100%;}
    .technical_bor2{padding-bottom: 50px;}

}
@media (max-width: 650px) {  
  
  /*sub_top*/
  .sub_visual_box{height: 450px;}
  .sub_visual_txt h2{font-size: 34px; font-weight: 500;}
  .depth_wrap > div.home_btn{display: none;}
  .sub_tit{font-size: 28px;}
  .visual_menu_wrap{width: 90%;}

  /*인사말*/
  .greeting_list li div.greet_sign .greet_logo img{width: 150px;}
  .greeting_list li div{margin-bottom: 25px;}

   /*오시는길*/
   .company_info h2{font-size: 28px;}
   .company_info .company_info_txt li p{font-size: 16px;}
   /*기술자료_제품개발연혁*/
   .history_wrap2::after{display: none;}
    /*IGB정의*/
    .technical_m .technical_m_tit span{font-size: 18px;}
    .technical_m ul li a{font-size: 16px;}
    .technical_wrap >h3{font-size: 26px;}
    .technical1 .technical1_txt{border-radius: 80px;}

    .technical_wrap >p{font-size: 20px;}
    .technical_section .point{font-size: 22px;}
    .technical_imgwrap p{font-size: 18px;}
    .technical3 li{width:calc(100% / 2 - 20px) ;}    
    .technical3 li p{font-size: 16px;}






}
@media (max-width: 480px) {  
  .sub_inner{margin: 80px auto;}
  .sub_tit{font-size: 24px;}
  .sub_visual_txt h2{font-size: 28px;}
  .depth_wrap > div{padding: 0 5px; width: 48%;}
  .depth_wrap .depth_name{font-size: 14px;}
  .depth_wrap > div .depth_name i{font-size: 12px;}
  .visual_menu_wrap .com_depth li a{font-size: 14px; word-break: keep-all;}


   /*회사소개*/
   .introduction{margin-top: 80px;}
   .intro_right img{height: 250px;}
   .introduction1{margin-top:50px ;}
   .introduction1 li h2{font-size: 24px;}
   .introduction1 li div{font-size: 17px;}
   .intro_wrap{margin-bottom: 80px;}
   .intro2 .intro2_wrap{padding: 100px 0 ;}
   .intro4>h2{font-size: 28px;}
   .intro4_list li > div{width: 100%; border-radius: 50px; flex-direction: column;}
   .intro4_list li div h3{font-size: 24px; margin-right: 0; margin-bottom: 10px;}
   .intro4_list li div h4{font-size: 18px;}
   .intro4_list li div p{font-size: 16px;}
   .intro4_list li div span{font-size: 14px;}
   .intro5 ul li{width: 90%; margin: 10px auto;}
   .intro5 ul li p{font-size: 18px;}
   .intro6 h2{font-size: 28px;}
   .tab_wrap table tr th, .tab_wrap table tr td{font-size: 16px;}
   .intro6{margin-bottom: 100px;}
   .intro4_list li div span i{display: inline;}

    /*인사말*/
    .greeting_list li:nth-child(1){width: 90%;}
    .greeting_list li div{font-size: 16px;}
    .greeting_list li div.greet_sign img{width: 100px;}
    .greeting_list li div.greet_sign .greet_logo img{width: 100px;}
    .greeting_list li div.greet_sign span{margin-right: 20px;}
    .greeting_list li:nth-child(2){padding-top: 50px;}

   /*연혁*/
   .history_area .text {padding: 15px 0 25px;}
   .history_area .text h4 {font-size: 20px;}
   .history_area .text h4 b {font-size: 32px;}
   .history_area .text div {font-size: 14px;}
   .history_area .text div dl {margin-bottom: 10px;}
   .history_area .text div dl dt {font-size: 16px; width: 35%;}
   .history_area .text div dl dd p:before {top: 11px;}
   .history_area .text div dl dd p {margin-bottom: 5px;}
   .history_area .text h4 img {border-radius: 10px;}
   .history_area .text div {margin-top: 25px;}
   .history_area .text div dl {display: block; margin-bottom: 20px;}
   .history_area .text div dl dd p {margin-bottom: 0;}

   /*인증*/
   .certi_top_list{flex-wrap: wrap;}
   .certi_top_list li{width:calc(100% / 2 - 10px); margin: 5px; font-size: 16px;}
   .certi_list >ul li{width: calc(100% / 2 - 20px);}
   .certi_list >ul li .certi h3{font-size: 14px;}

   /*오시는길*/
   .company_info .company_info_txt li p em{display: block; margin-top: 5px;}

   /*기술자료_제품개발연혁*/
   .history_wrap2>ul>li.right > div,.history_wrap2>ul>li.left > div { padding-left: 75px; } 

   .history_wrap2>ul>.right::after,
   .history_wrap2>ul>.left::after { left: 11%; width: 20px; } 
   .history_wrap2>ul>li> div ul>li{width: 95%;}
   .history_wrap2>ul>li h4 {  font-size: 24px;} 
   .history_wrap2>ul>li h4 span{font-size: 18px;}
   .history_wrap2>ul>li.right div li .his_img{margin-left: 0; width: 200px;}
   .history_wrap2>ul>li.right div li .his_img img{width: 100%;}
   .history_wrap2>ul>li.left div li .his_img{margin-left: 0; width: 200px;}
 
  /*IGB정의*/
   .technical_wrap >h3{font-size: 24px;}
   .technical1 li:nth-child(1){width: 75%;}
   .technical1 li:nth-child(2){padding: 15px;}
   .technical1 .technical1_txt h2{font-size: 20px;}
   .technical1 .technical1_txt p{font-size: 18px;}
   .technical1 .technical1_txt span{font-size: 16px;}
   .technical1 .technical1_txt::after{left: 48.7%;}
   .technical1 .technical1_txt{border-radius: 50px;}

   .technical_wrap >p{font-size: 18px;}
   .technical_section .point{font-size: 20px;}
   .technical_imgwrap p{font-size: 16px;}
   .technical_txt_wrap p{font-size: 16px;}
   .technical3 li{width: calc(100% / 2 - 10px); margin: 20px 5px;}
   .technical_table table tr th{font-size: 16px; padding: 10px;}


}

@media (max-width: 400px) {  

     /*회사소개*/
  .intro2 .intro2_txt{font-size: 16px;}
  /*IGB정의*/
  .technical1 .technical1_txt h2{font-size: 18px;}
  .technical1 .technical1_txt p{font-size: 16px;}
  .technical1 .technical1_txt span{font-size: 14px;}


  
}